PolynomialGCD[0,0]
PolynomialGCD[4.5,5.5]
PolynomialGCD[0.3,0.6]
PolynomialGCD[0.3*(x+y),0.6*(x+y)]
GroebnerBasis[{}]
CharacterSet[{}]
GroebnerBasis[{0}]
CharacterSet[{0}]
GroebnerBasis[{0.3 x+0.5*y,0.5*x-3*y+2}]
CharacterSet[{0.3 x+0.5*y,0.5*x-3*y+2}]
FactorList[1.1+2.2*x+1.21*x^2]
